Data migration

This document explains the sources and targets available for data migration and the migration types you can use when configuring a migration task.

Sources and targets

Data migration supports migrating data from the following sources to targets.

Source

Target

On-premises databases in IDC

RDS instances in classic or VPC networks

ECS instance databases

ECS instance databases

RDS instances in classic or VPC networks

ECS instance databases

RDS instances

RDS instances in classic or VPC networks

ECS instance databases

Redis instances in classic networks

Redis instances in classic networks

ECS instance databases

Migration types

A complete data migration process includes the following migration types: scheme migration, existing data migration, and incremental replication. When creating a data migration task, you must select the migration types based on your requirements.

Different migration specifications support different migration types, as shown in the following table.